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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10010) eliminate the put latency spike on the new log file beginning
Date Mon, 09 Dec 2013 18:08:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13843366#comment-13843366
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Hudson commented on HBASE-10010:
--------------------------------

FAILURE: Integrated in hbase-0.96-hadoop2 #145 (See [https://builds.apache.org/job/hbase-0.96-hadoop2/145/])
HBASE-10010 eliminate the put latency spike on the new log file beginning (stack: rev 1549382)
* /hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
* /hbase/branches/0.96/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationHLogReaderManager.java


> eliminate the put latency spike on the new log file beginning
> -------------------------------------------------------------
>
>                 Key: HBASE-10010
>                 URL: https://issues.apache.org/jira/browse/HBASE-10010
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>    Affects Versions: 0.94.13
>            Reporter: Liang Xie
>            Assignee: Liang Xie
>             Fix For: 0.98.0, 0.96.1, 0.94.15, 0.99.0
>
>         Attachments: HBase-10010-0.94-v2.txt, HBase-10010-0.94-v3.txt, HBase-10010-0.94.txt,
HBase-10010-trunk-v2.txt, HBase-10010-trunk.txt
>
>
> In deed, the original finding came from fb, see HBASE-6813 for detailed discussion.
> Through this improvement doesn't expect obvious gain on 95th or 99th latency, it still
could make the response time more stable to me.



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